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-rw-r--r--include/netinet/in.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/netinet/in.h b/include/netinet/in.h
index 192679a6..3ba7546c 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -335,6 +335,7 @@ struct ip6_mtuinfo {
 #define IPV6_V6ONLY             26
 #define IPV6_JOIN_ANYCAST       27
 #define IPV6_LEAVE_ANYCAST      28
+#define IPV6_MULTICAST_ALL      29
 #define IPV6_IPSEC_POLICY       34
 #define IPV6_XFRM_POLICY        35
 #define IPV6_HDRINCL            36